11.
Whenever my students come across new words, I ask them to look for them in the dictionary.

12.
You must accustom yourself with new ideas.

13.
The fact finding committee has so far not made any advancement.

14.
You must find someone to accompany you to Bombay.

16.
When the professor fell off the stool, the students could not avoid to laugh.

17.
His trousers are three sizes large.

18.
They appointed him as a manager as he is efficient.

19.
Having had in the Foreign Service for a long time, Mr. Verma has met many prominent personalities.

20.
No sooner he reached home than all the villagers gathered at his home to listen to his story.